An employee of the Tate Modern art gallery poses as she looks at an avant-garde painting by artist Norwegian artist Thorvald Hellesen in London, on February 2, 2010. The works form a part of an exhibition entitled 'Van Doesburg and the International Avant-Garde' which is the first major exhibition in the UK devoted to the Dutch artist Theo Van Doesburg (1883-1931) and other artists who were part of the Dutch avant-garde movement 'De Stijl'. AFP PHOTO/Carl de Souza (Photo credit should read CARL DE SOUZA/AFP/Getty Images)